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LTC4079IDD#PBF
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LTC4079IDD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - Compact and efficient battery charger IC - Designed for single-cell Li-Ion/Polymer batteries - Provides complete charge management solution - Suitable for portable devices, wireless sensors, and other battery-powered applications

Package: DFN-10 (3mm x 3mm)

Essence: The LTC4079IDD#PBF is a highly integrated battery charger IC that offers a compact and efficient solution for charging single-cell Li-Ion/Polymer batteries. It provides a complete charge management solution for various battery-powered applications.

Packaging/Quantity: The LTC4079IDD#PBF is available in a DFN-10 package and is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.35V to 6V
  • Charge Current: Up to 800mA
  • Programmable Charge Termination Current
  • Automatic Recharge
  • Thermal Regulation and Protection
  • Under-Voltage Lockout
  • Battery Temperature Monitoring
  • Status Indication Pins

Pin Configuration

The LTC4079IDD#PBF features the following pin configuration:

  1. VBAT - Battery Input
  2. PROG - Charge Termination Current Programming Pin
  3. STAT - Status Indication Output
  4. GND - Ground
  5. TS - Battery Temperature Sense Input
  6. ISET - Charge Current Programming Pin
  7. CE - Enable Pin
  8. VCC - Supply Voltage Input
  9. PG - Power Good Output
  10. VIN - Input Voltage

Functional Features

  • Complete charge management solution with integrated features
  • Programmable charge termination current for flexibility
  • Automatic recharge feature for convenience
  • Thermal regulation and protection for safe operation
  • Under-voltage lockout to prevent battery damage
  • Battery temperature monitoring for optimal charging
  • Status indication pins for charge status feedback

Advantages and Disadvantages

Advantages: - Compact size and high integration - Efficient charging performance - Programmable charge termination current - Automatic recharge feature - Comprehensive protection features

Disadvantages: - Limited to single-cell Li-Ion/Polymer batteries - Input voltage range may not be suitable for all applications

Working Principles

The LTC4079IDD#PBF operates by regulating the charging process of a single-cell Li-Ion/Polymer battery. It monitors the battery voltage, temperature, and charge current to ensure safe and efficient charging. The charge termination current can be programmed to suit different battery capacities. The IC also provides thermal regulation and protection, preventing overheating during charging.

Detailed Application Field Plans

The LTC4079IDD#PBF is widely used in various battery-powered applications, including but not limited to: - Portable electronic devices (smartphones, tablets, portable media players) - Wireless sensors and IoT devices - Wearable devices (smartwatches, fitness trackers) - Handheld medical devices - Portable gaming consoles

Alternative Models

  1. MCP73831T-2ACI/OT - Microchip Technology Inc.
  2. MAX1555EZK+T - Maxim Integrated
  3. BQ24075RGTR - Texas Instruments
  4. ISL9238IRZ-T - Renesas Electronics Corporation
  5. TPS2513EVM-001 - Texas Instruments

These alternative models offer similar functionality and can be considered as alternatives to the LTC4079IDD#PBF.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC4079IDD#PBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC4079IDD#PBF in technical solutions:

  1. Q: What is LTC4079IDD#PBF? A: LTC4079IDD#PBF is a battery charger IC designed for single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range for LTC4079IDD#PBF? A: The input voltage range for LTC4079IDD#PBF is typically between 4.35V and 6V.

  3. Q: Can LTC4079IDD#PBF charge multiple batteries simultaneously? A: No, LTC4079IDD#PBF is designed to charge a single-cell lithium-ion/polymer battery at a time.

  4. Q: What is the maximum charging current supported by LTC4079IDD#PBF? A: LTC4079IDD#PBF supports a maximum charging current of 800mA.

  5. Q: Does LTC4079IDD#PBF have overvoltage protection? A: Yes, LTC4079IDD#PBF has built-in overvoltage protection to prevent damage to the battery during charging.

  6. Q: Can LTC4079IDD#PBF be used for wireless charging applications? A: No, LTC4079IDD#PBF is not specifically designed for wireless charging applications.

  7. Q: What is the typical efficiency of LTC4079IDD#PBF? A: The typical efficiency of LTC4079IDD#PBF is around 90%.

  8. Q: Does LTC4079IDD#PBF support trickle charging? A: Yes, LTC4079IDD#PBF supports trickle charging to maintain the battery's charge level.

  9. Q: Is LTC4079IDD#PBF suitable for low-power IoT devices? A: Yes, LTC4079IDD#PBF is well-suited for low-power IoT devices due to its low quiescent current and small form factor.

  10. Q: Can LTC4079IDD#PBF be used in portable medical devices? A: Yes, LTC4079IDD#PBF can be used in portable medical devices that require single-cell lithium-ion/polymer battery charging.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.